Answer to Question 1
3
Rationale 1: Fibrillation is characterized by very rapid, uncoordinated beats.
Rationale 2:Bradycardia is incorrect because it is a slow heart rate lower than 60 beats per minute.
Rationale 3: Tachycardia is a fast heart rate higher than 100 beats per minute.
Rationale 4:Premature ventricular contraction is incorrect because it is an extra beat often originating from a source other than the SA node.
Global Rationale: Tachycardia is a fast heart rate higher than 100 beats per minute. Fibrillation is characterized by very rapid, uncoordinated beats. Bradycardia is incorrect because it is a slow heart rate lower than 60 beats per minute. Premature ventricular contraction is incorrect because it is an extra beat often originating from a source other than the SA node.
Answer to Question 2
2
Rationale 1: Fibrillation is characterized by very rapid, uncoordinated beats.
Rationale 2: Bradycardia is a slow heart rate less than 60 beats per minute.
Rationale 3: Premature ventricular contraction is an extra beat often originating from a source other than the SA node.
Rationale 4: Tachycardia is a fast heart rate that is greater than 100 beats per minute.
Global Rationale: Bradycardia is a slow heart rate less than 60 beats per minute. Fibrillation is characterized by very rapid, uncoordinated beats. Premature ventricular contraction is an extra beat often originating from a source other than the SA node. Tachycardia is a fast heart rate that is greater than 100 beats per minute.
An electrocardiogram (EKG) wave, a record of the electrical signal as it moves through the conductio
Heart Model
Gross anatomy of the heart
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The nurse begins the general survey